Wratten light filters.
APA Citation
Eastman Kodak Company of New York. (1920). Wratten light filters. 4th ed., rev. Rochester, N.Y.: Eastman Kodak Company.
MLA Citation
Eastman Kodak Company of New York. Wratten Light Filters. 4th ed., rev. Rochester, N.Y.: Eastman Kodak Company, 1920.
Warning: These citations may not always be complete (especially for serials).